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bug#42521: 28.0.50; Can't include an image in a display string
From: |
Dmitry Gutov |
Subject: |
bug#42521: 28.0.50; Can't include an image in a display string |
Date: |
Fri, 24 Jul 2020 22:40:02 +0300 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 |
(progn
(erase-buffer)
(insert " ")
(setq o (make-overlay (point-min) (point)))
(overlay-put o 'display
(concat (propertize " " 'display
(create-image "splash.svg" nil nil
:max-height
(default-font-height)))
" text after image")))
The script above will end with a blank space instead of an image being
displayed.
To compare: replace the first 'display symbol with 'after-string, and
the image is displayed.
Why do we need this: if this worked, we would implement icons display in
the default completion popup in company-mode. It's a feature that has
been requested for a while. See the discussion here:
https://github.com/company-mode/company-mode/pull/996#issuecomment-662743347
Unfortunately, as we seem to have concluded in
https://debbugs.gnu.org/cgi/bugreport.cgi?bug=18285
and
https://debbugs.gnu.org/cgi/bugreport.cgi?bug=20847,
I have to use the `display' overlay property in most of the cases.
P.S. This is not a regression, Emacs 26.3 is the same.
In GNU Emacs 28.0.50 (build 25, x86_64-pc-linux-gnu, GTK+ Version
3.24.20, cairo version 1.16.0)
of 2020-07-20 built on potemkin
Repository revision: 4c08c2f45b9bb0265f6d7c3529011dee1b18e843
Repository branch: master
Windowing system distributor 'The X.Org Foundation', version 11.0.12008000
System Description: Ubuntu 20.04 LTS
- bug#42521: 28.0.50; Can't include an image in a display string,
Dmitry Gutov <=